While volcanoes can be frightening, supervolcanoes are even scarier. These five supervolcanoes are proof of that, having ...

A swarm of more than 100 shallow earthquakes at Alaska's Mount Spurr that began Sunday night and ran to Monday morning suggest the volcano could be moving closer to an eruption. "It's about a 50/ ...

A volcano near Alaska’s most populous city could be on the brink of eruption after showing signs of unrest over the past 10 months, according to experts. Hundreds of small earthquakes have ...